**Chapter 5: Unleashing the Fury**

Kuvira crashed into the far wall, her body bouncing off the stone surface with a loud thud. She struggled to get to her feet, her eyes fixed on Opal with a mixture of shock and fear. The airbender's transformation was like nothing she had ever seen before. Opal's eyes blazed with a fierce inner light, and her movements were swift and deadly. As Kuvira stumbled forward, Opal's gaze never wavered. She took a step forward, her hands still weaving intricate patterns in the air. The metal golem, still under her control, lurched forward, its metal body creaking and groaning as it tried to withstand the force of Opal's airbending. "You...you can't do this, Opal," Kuvira stammered, her voice shaking with fear. "You're not strong enough." Opal's face twisted into a snarl. "You don't know me, Kuvira," she spat. "You don't know what I'm capable of." With a swift movement, Opal raised her hand, and a blast of air shot out, sending Kuvira stumbling back. The earthbender tried to defend herself, but Opal's airbending was relentless. She unleashed a series of swift and precise attacks, each one sending Kuvira crashing to the ground. The metal golem tried to intervene, but Opal was too quick. She dodged and weaved, her movements fluid and deadly. The golem's metal fists crashed into the ground, sending shockwaves through the room, but Opal was always one step ahead. As the battle raged on, the room began to take damage. Cracks appeared in the walls, and the stone floor began to shatter. Kuvira's eyes darted back and forth, searching for an escape, but Opal had her trapped. Just when it seemed like Opal was about to deliver the final blow, she hesitated. Her gaze locked onto Kuvira's, and for a moment, the two friends seemed to see beyond the battle. They saw the friendship they had once shared, the laughter and the adventures. For a moment, Opal's anger seemed to waver. Her eyes softened, and her movements slowed. Kuvira took advantage of the momentary distraction. With a swift movement, she summoned a burst of earth energy, sending Opal stumbling back. The airbender's eyes snapped back into focus, and she unleashed a blast of air that sent Kuvira crashing into the metal golem. The golem stumbled back, its metal body creaking and groaning under the impact. As Kuvira struggled to get to her feet, Opal's gaze locked onto hers. The airbender's eyes blazed with a fierce inner light, and her voice was low and menacing. "It's over, Kuvira," she growled. "You've made your choice. Now you have to live with the consequences."